[Scons-users] Internal errors on cleanup

[Tom Tanner (BLOOMBERG/ LONDON)]

I see this a lot if a large build dies leaving multiple targets which haven't been built. There was a patch for it which didn't work for me at least. Basically, it's not cleaning up the list of targets which need to be built if a node fails to build for some reason.

I'm sorry to say I did a small hack to our scons suppress those pending a proper fix.

----- Original Message -----
From: scons-users at scons.org
To: scons-users at scons.org
At: Jun 10 2014 13:25:22

Hi,

I have recently started using SCons 2.3.1 on Centos 6.5 and I am a big fan.

There is one irritating issue I can't solve though... sometimes (quite often) after a build, there is an error like this:
       
scons: *** Found dependency cycle(s):
  Internal Error: no cycle found for node BLAH (<SCons.Node.FS.Dir object at 0x2a43910>) in state pending
...where BLAH is actually the name of my variant dir. The build seems to work fine - the variant dir has all the object files in it and there are output libs/bins in a separate output folder as I wanted. But this error still bugs me. I would like to understand it and eliminate it.
I have not been able to reproduce it with a small test case sadly, and obviously I can't share my whole build. Any ideas on debugging it? --debug=stacktrace just showed me where in Taskmaster.py the error arises which I already knew...
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